class_docstr: The configuration spaces of all ops.
docstr: convert to a json serializable dictionary
  
  Return
  ------
  ret: dict
      a json serializable dictionary
docstr_tok: ["convert","to","a","json","serializable","dictionary","Return","--","--","--","ret",":","dict","a","json","serializable","dictionary"]
code: def to_json_dict(self):
      """convert to a json serializable dictionary
  
      Return
      ------
      ret: dict
          a json serializable dictionary
      """
      ret = []
      for k, v in self.spaces.items():
          ret.append((k, v.to_json_dict()))
      return ret
  
imports: from collections import OrderedDict
  import numpy
label_desc: Use image node_id 5 for calling the ConfigSpaces obj's underlying member method code with example usage: obj.to_json_dict() and returns: ret